Home / 36,012.12-53,981.25-13,819.53

Finding the Fourth Proportional to 36,012.12, 53,981.25 and 13,819.53

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Solution

The fourth proportional to 36,012.12, 53,981.25 and 13,819.53 is: 20,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,012.12 : 53,981.25 = 13,819.53 : x
  2. Step 2: Convert to fraction form
    36,012.12/53,981.25 = 13,819.53/x
  3. Step 3: Cross multiply
    36,012.12x = 53,981.25 × 13,819.53
  4. Step 4: Simplify right side
    36,012.12x = 745,995,503.81
  5. Step 5: Solve for x
    x = 745,995,503.81/36,012.12
  6. Step 6: Final answer
    x = 20,715.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.